1 /* $NetBSD: intr.h,v 1.7 2007/10/17 19:54:21 garbled Exp $ */ 2 3 /*- 4 * Copyright (c) 2000, 2001, 2004 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #ifndef _EWS4800MIPS_INTR_H_ 40 #define _EWS4800MIPS_INTR_H_ 41 42 #include <sys/device.h> 43 #include <sys/lock.h> 44 #include <sys/queue.h> 45 46 #define IPL_NONE 0 /* disable only this interrupt */ 47 #define IPL_SOFT 1 /* generic software interrupts (SI 0) */ 48 #define IPL_SOFTCLOCK 2 /* clock software interrupts (SI 0) */ 49 #define IPL_SOFTNET 3 /* network software interrupts (SI 1) */ 50 #define IPL_SOFTSERIAL 4 /* serial software interrupts (SI 1) */ 51 #define IPL_BIO 5 /* disable block I/O interrupts */ 52 #define IPL_NET 6 /* disable network interrupts */ 53 #define IPL_TTY 7 /* disable terminal interrupts */ 54 #define IPL_LPT IPL_TTY 55 #define IPL_VM IPL_TTY 56 #define IPL_SERIAL 7 /* disable serial interrupts */ 57 #define IPL_CLOCK 8 /* disable clock interrupts */ 58 #define IPL_STATCLOCK IPL_CLOCK 59 #define IPL_SCHED IPL_CLOCK 60 #define IPL_HIGH 8 /* disable all interrupts */ 61 #define IPL_LOCK IPL_HIGH 62 63 #define _IPL_N 9 64 65 #define _IPL_SI0_FIRST IPL_SOFT 66 #define _IPL_SI0_LAST IPL_SOFTCLOCK 67 68 #define _IPL_SI1_FIRST IPL_SOFTNET 69 #define _IPL_SI1_LAST IPL_SOFTSERIAL 70 71 #define SI_SOFT 0 72 #define SI_SOFTCLOCK 1 73 #define SI_SOFTNET 2 74 #define SI_SOFTSERIAL 3 75 76 #define SI_NQUEUES 4 77 78 #define SI_QUEUENAMES { \ 79 "misc", \ 80 "clock", \ 81 "net", \ 82 "serial", \ 83 } 84 85 #define IST_UNUSABLE -1 /* interrupt cannot be used */ 86 #define IST_NONE 0 /* none (dummy) */ 87 #define IST_PULSE 1 /* pulsed */ 88 #define IST_EDGE 2 /* edge-triggered */ 89 #define IST_LEVEL 3 /* level-triggered */ 90 91 #include <mips/locore.h> 92 93 extern const uint32_t *ipl_sr_bits; 94 95 #define spl0() (void) _spllower(0) 96 #define splx(s) (void) _splset(s) 97 98 typedef int ipl_t; 99 typedef struct { 100 ipl_t _sr; 101 } ipl_cookie_t; 102 103 static inline ipl_cookie_t 104 makeiplcookie(ipl_t ipl) 105 { 106 107 return (ipl_cookie_t){._sr = ipl_sr_bits[ipl]}; 108 } 109 110 static inline int 111 splraiseipl(ipl_cookie_t icookie) 112 { 113 114 return _splraise(icookie._sr); 115 } 116 117 #include <sys/spl.h> 118 119 void intr_init(void); 120 void intr_establish(int, int (*)(void *), void *); 121 void intr_disestablish(void *); 122 123 #include <mips/softintr.h> 124 125 #endif /* !_EWS4800MIPS_INTR_H_ */ 126